/Engine/Source/Editor/Sequencer/Public/IKeyArea.h
Populate the specified handle and/or time arrays with information pertaining to keys that exist within the given range
void GetKeyInfo ( [TArray](API\Runtime\Core\Containers\TArray)< [FKeyHandle](API\Runtime\Engine\Curves\FKeyHandle) > * OutHandles, [TArray](API\Runtime\Core\Containers\TArray)< [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) > * OutTimes, const [TRange](API\Runtime\Core\Math\TRange)< [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) > & WithinRange ) const